2.7 sec in total
269 ms
1.8 sec
611 ms
Click here to check amazing DTN content for Vietnam. Otherwise, check out these important facts you probably never knew about dtn.com.vn
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Visit dtn.com.vnWe analyzed Dtn.com.vn page load time and found that the first response time was 269 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
dtn.com.vn performance score
name
value
score
weighting
Value5.6 s
6/100
10%
Value13.7 s
0/100
25%
Value9.7 s
10/100
10%
Value1,370 ms
16/100
30%
Value0.795
5/100
15%
Value14.2 s
9/100
10%
269 ms
85 ms
174 ms
66 ms
407 ms
Our browser made a total of 63 requests to load all elements on the main page. We found that 35% of them (22 requests) were addressed to the original Dtn.com.vn, 21% (13 requests) were made to Maps.googleapis.com and 17% (11 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (407 ms) relates to the external source Embed.tawk.to.
Page size can be reduced by 1.7 MB (51%)
3.4 MB
1.7 MB
In fact, the total size of Dtn.com.vn main page is 3.4 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 70% of websites need less resources to load. Javascripts take 1.6 MB which makes up the majority of the site volume.
Potential reduce by 30.7 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 30.7 kB or 80% of the original size.
Potential reduce by 17.5 kB
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. DTN images are well optimized though.
Potential reduce by 1.2 MB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 1.2 MB or 72% of the original size.
Potential reduce by 525.8 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Dtn.com.vn needs all CSS files to be minified and compressed as it can save up to 525.8 kB or 84% of the original size.
Number of requests can be reduced by 17 (30%)
57
40
The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DTN. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and as a result speed up the page load time.
www.dtn.com.vn
269 ms
9758d82b04dd0572429fd60bd1e92fe4_1452075300.css
85 ms
9db9a05df0c6fc88b92a1644d6538822_1452075301.js
174 ms
analytics.js
66 ms
default
407 ms
logo.png
90 ms
shadow-navi.png
90 ms
banner-home.jpg
175 ms
our-brands.png
156 ms
step1.jpg
223 ms
step2.jpg
161 ms
step3.jpg
159 ms
step4.jpg
156 ms
step5.jpg
159 ms
scott-haas.jpg
170 ms
eva.png
192 ms
helen.png
218 ms
anders.jpg
199 ms
embed
161 ms
ProximaNova-Regular.woff
211 ms
ProximaNova-Light.woff
188 ms
ProximaNova-Bold.woff
249 ms
ProximaNova-Black.woff
271 ms
ProximaNova-BoldIt.woff
272 ms
collect
72 ms
icon-1x.png
238 ms
js
128 ms
init_embed.js
147 ms
icons.png
124 ms
common.js
86 ms
map.js
108 ms
google4.png
56 ms
overlay.js
126 ms
1458205745331
335 ms
util.js
109 ms
onion.js
106 ms
search_impl.js
107 ms
StaticMapService.GetMapImage
245 ms
stats.js
57 ms
openhand_8_8.cur
48 ms
kh
62 ms
transparent.png
44 ms
ViewportInfoService.GetViewportInfo
54 ms
ViewportInfoService.GetViewportInfo
51 ms
controls.js
17 ms
css
115 ms
entity11.png
67 ms
vt
151 ms
vt
146 ms
vt
128 ms
vt
130 ms
vt
129 ms
vt
131 ms
vt
140 ms
vt
138 ms
vt
143 ms
vt
143 ms
mapcnt6.png
37 ms
sv5.png
41 ms
tmapctrl.png
34 ms
ajax-loader-3.gif
38 ms
158 ms
AuthenticationService.Authenticate
16 ms
dtn.com.vn accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
<frame> or <iframe> elements do not have a title
Form elements do not have associated labels
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
dtn.com.vn best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
dtn.com.vn SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dtn.com.vn can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Dtn.com.vn main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
dtn.com.vn
Open Graph description is not detected on the main page of DTN. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: